Author
- Origen1
- Osbern of Gloucester1
- Papias1
- Philip the Chancellor1
- Prosper of Aquitaine1
- Pseudo-Hippocrates1
- Qadi Ayyad1
- Ricardus, de Mediavilla, approximately 1249-1308?1
- Richard Fishacre1
- Robert de Gretham1
- Roger Bigod, 2nd Earl of Norfolk1
- Rogerius1
- Roman Catholic Archdiocese of Reims1
- Saadia Gaon1
- Sharif Radhi1
- Shelomoh ben Eliyah ha-Melamed1
- Stephen Langton1
- Theobaldus Episcopus1
- Titus Livius1
- Tsevi ben Lavi1